40386970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 83825280

約数和(自身を除く): 43438310

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 83, 95, 130, 166, 190, 197, 247, 394, 415, 494, 830, 985, 1079, 1235, 1577, 1970, 2158, 2470, 2561, 3154, 3743, 5122, 5395, 7486, 7885, 10790, 12805, 15770, 16351, 18715, 20501, 25610, 32702, 37430, 41002, 48659, 81755, 97318, 102505, 163510, 205010, 212563, 243295, 310669, 425126, 486590, 621338, 1062815, 1553345, 2125630, 3106690, 4038697, 8077394, 20193485, 40386970]

約数ペア:

[(1, 40386970), (2, 20193485), (5, 8077394), (10, 4038697), (13, 3106690), (19, 2125630), (26, 1553345), (38, 1062815), (65, 621338), (83, 486590), (95, 425126), (130, 310669), (166, 243295), (190, 212563), (197, 205010), (247, 163510), (394, 102505), (415, 97318), (494, 81755), (830, 48659), (985, 41002), (1079, 37430), (1235, 32702), (1577, 25610), (1970, 20501), (2158, 18715), (2470, 16351), (2561, 15770), (3154, 12805), (3743, 10790), (5122, 7885), (5395, 7486)]